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Finding the Fourth Proportional to 298,832.40, 448,540.20 and 149,241.60

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Solution

The fourth proportional to 298,832.40, 448,540.20 and 149,241.60 is: 224,008.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,832.40 : 448,540.20 = 149,241.60 : x
  2. Step 2: Convert to fraction form
    298,832.40/448,540.20 = 149,241.60/x
  3. Step 3: Cross multiply
    298,832.40x = 448,540.20 × 149,241.60
  4. Step 4: Simplify right side
    298,832.40x = 66,940,857,112.32
  5. Step 5: Solve for x
    x = 66,940,857,112.32/298,832.40
  6. Step 6: Final answer
    x = 224,008.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.